scholarly journals Comparative Study of Dexmedetomidine and Fentanyl to Obtund the Pressure Response to Laryngoscopy and Intubation

2019 ◽  
Vol 3 (3) ◽  
pp. 514-518
Author(s):  
Ajay Singh Thapa ◽  
Rajesh Kumar Yadav ◽  
Binita Dhakal
Keyword(s):  
Heart Rate ◽  
Tracheal Intubation ◽  
Comparative Study ◽  
Endotracheal Intubation ◽  
Cardiovascular Responses ◽  
Hemodynamic Response ◽  
Pressure Response ◽  
Baseline Heart Rate ◽  
Group A ◽  
Group B

Introduction: Airway manipulation during endotracheal intubation is associated with hemodynamic and cardiovascular responses. Different agents have been used to obtund the pressure response. Objectives: To evaluate the place of Dexmedetomidine for routine use during induction of anesthesia to blunt pressure response to laryngoscopy and intubation. Methodology: One hundred patients of ASA I and II were randomly divided into two groups. Group A received Midazolam (0.05 mg/kg) a n d Fentanyl (2 mcg/Kg) and group B received Dexmedetomidine (0.6 mcg/kg) 10 minutes before induction of anesthesia. Both groups were induced with Propofol (1.5 mg/Kg). In all patients after induction (loss of eye lashes reflex) tracheal intubation was facilitated using Rocuronium 1mg/kg. Baseline heart rate was noted and hemodynamic response to intubation was observed 3, 6 and 9 minutes after intubation. Results: In group A, time for loss of eyelashes reflex was 17.45±2.19 seconds and in group B it was 11.33±2.64 seconds. In group A, after intubation heart rate increased by 11.22±2.37, 5.71±1.68, 2.34±1.73 in3, 6 and 9 minutes respectively. In group A, after intubation MAP increased by 6.49±1.37, 3.30±1.15, and 1.24±1.50 from baseline in 3,6, and 9 minutes respectively. In group B after intubation heart rate increased by 2.49±0.89 from baseline at third minutes, however decreased by 2.85±1.58 and 4.73±1.86 at sixth and ninth minute respectively. In group B, MAP increased from baseline by 3.44±1.06 in third minute however decreased by 2.22±1.38 and 4.24±3.40 at sixth and ninth minutes respectively. Conclusion: Both the agents were observed to obtund pressure response to laryngoscopy and intubation however Dexmedetomidine proved to be better option compared to Fentanyl.

scholarly journals Comparative Study of Propofol and Etomidate on the Haemodynamic Effects During Induction and Endotracheal Intubation

2019 ◽  
Vol 18 (2) ◽  
pp. 7-15
Author(s):  
Mallika Rayamajhi ◽  
Puja Thapa ◽  
Anjan Khadka ◽  
Biswa Ram Amatya ◽  
Udaya Bajracharya
Keyword(s):  
Blood Pressure ◽  
Heart Rate ◽  
Comparative Study ◽  
Endotracheal Intubation ◽  
Arterial Blood ◽  
Significant Difference ◽  
Group A ◽  
Blood Pressures ◽  
Group B ◽  
Induction Agents

Introduction: While most intravenous induction agents decrease arterial blood pressure, laryngoscopy and endotracheal intubation increase the heart rate and blood pressure. Propofol causes a decrease in systemic blood pressure whereas etomidate has minimal effects on the cardiovascular system. This study aims to evaluate and compare the hemodynamic effects of propofol and etomidate during induction and endotracheal intubation. Methods: 62 ASA I and II patients, 20-60 years of age, scheduled for elective surgery were enrolled in this prospective, randomised and double blind comparative study. Group A received inj. Propofol (2 mg/kg) and group B received inj. Etomidate (0.3 mg/kg), as induction agents. Heart rate, systolic blood pressure, diastolic blood pressure and mean arterial blood pressure were recorded after induction and after intubation at one, three, five and ten minutes and intergroup comparisons were made. Results: After induction the decrease in systolic, diastolic and the mean arterial pressures were more in group A compared to group B (p = 0.003, 0.004 and 0.002). After 1 minute of intubation all haemodynamic parameters increased from the baseline with no significant differences between the two groups (p >0.05). At three minutes the decrease in heart rate, diastolic blood pressure and mean arterial pressure was more in group A than group B with p values of 0.001, 0.002 and 0.05, however systolic blood pressures showed no significant difference (p = 0.144). The decrease in blood pressures showed significant difference between the two groups (p <0.05) at five and ten minutes but the decrease in heart rate remained significant only at five minutes of intubation (p = 0.001). Conclusions: Propofol and etomidate are both effective in preventing the haemodynamic changes due to induction and endotracheal intubation, with etomidate providing more haemodynamic stability.

scholarly journals A Comparative Study between Two Different Doses of Dexmedetomidine for Attenuation of Hemodynamic Response to Laryngoscopy and Tracheal Intubation.

2019 ◽  
Vol 21 (3) ◽  
pp. 178-183
Author(s):  
Chitra Thapa ◽  
S. Gauchan
Keyword(s):  
Blood Pressure ◽  
Heart Rate ◽  
Mean Arterial Pressure ◽  
Tracheal Intubation ◽  
Arterial Pressure ◽  
Systolic Blood Pressure ◽  
Study Drug ◽  
Hemodynamic Response ◽  
Group A ◽  
Group B

Laryngoscopy and end tracheal intubation are stressful situation for the patients, as these procedures are capable of producing tachycardia, hypertension and arrhythmias. This study was conducted with the objective of arriving at an optimal dose of dexmedetomidine that can attenuate the hemodynamic response to laryngoscopy and intubation with minimal side effects. The current study was conducted in 60 patients, posted for elective surgery under general anesthesia withendotracheal intubation. The patients were divided into two groups: Group A and Group B. Group A received dexmedetomidine 0.5 μg/kg and group B received dexmedetomidine 1 μg/kg intravenously over 10 min prior to induction of anesthesia. The anesthesia technique was standardized in both the groups. Heart rate, systolic, diastolic and mean arterial pressure were monitored and recorded at 5min and 10 min of completion of infusion of study drug, after induction, and at 1 min, 2 min, 5 min after intubation. The baseline heart rate, systolic blood pressure, diastolic blood pressure and mean arterial pressure were statistically similar in both the groups. After the infusion of the study drug the mean heart rate, mean systolic blood pressure, mean diastolic blood pressure, mean arterial pressure at all times were comparable in both the groups. Episodes of hypotension and bradycardia were also statistically similar in both the groups. Attenuation of hemodynamic response to laryngoscopy and intubation by dexmedetomidine is similar with the two doses: 0.5  μg/kg and 1 μg/kg. Both the doses of dexmedetomidine were devoid of any significant adverse effects.

scholarly journals Is Local Anesthetic Infiltration Prior to Intravenous Cannulation Beneficial to Patients?

2013 ◽  
Vol 8 (1) ◽  
pp. 10-13
Author(s):  
Babu Raja Shrestha ◽  
U Shrestha ◽  
A Shrestha ◽  
A Rana
Keyword(s):  
Heart Rate ◽  
Local Anesthetic ◽  
Randomized Study ◽  
Cardiovascular Responses ◽  
Control Group ◽  
Venous Cannulation ◽  
Number Of Patients ◽  
Group A ◽  
Group B ◽  
Local Anesthetic Infiltration

Aims: Intravenous cannulation causes pain, anxiety and frustration in patients along with changes in hemodynamic parameters. Infiltration of local anesthetic lessens the pain of intravenous cannulation. This study was performed to compare cardiovascular responses and verbal rating pain scores in two groups with and without local anesthetic infiltration prior to venous cannulation. Methods: This was a randomized study conducted in 100 elective surgical patients, divided into two study groups with 50 patients in each: group A (Control) and group B (local anesthetic infiltration). Prior to venous cannulation in group B, 0.5 ml of 1% lidocaine was infiltrated at the procedure site at dorsum of the wrist. Patients in group A were cannulated directly without local anesthetic infiltration. The hemodynamic changes pre and post cannulation and verbal pain rating scores were recorded by blind observers in all patients. Results: Demographic values in two groups were similar. Increase in heart rate from baseline value was significant in control group (p < 0.05). Post cannulation heart rate, systolic and diastolic blood pressure were significantly higher in group A compared to group B for the first three minutes (p < 0.05). Amongst higher number of patients in group A, verbal rating pain score was significantly higher. Ninety-four percent of the patients in group B were pain free, comfortable and satisfied with the procedure. Conclusions: Intravenous cannulation can be made pain free with patient satisfaction and hemodynamic stability if carried out with prior local anesthetic infiltration. Nepal Journal of Obstetrics and Gynaecology / Vol 8 / No. 1 / Issue 15 / Jan- June, 2013 / 10-13 DOI: http://dx.doi.org/10.3126/njog.v8i1.8853

scholarly journals EFFECT OF LABETALOL AND ESMOLOL ON ONSET OF ACTION OF ROCURONIUM: A PROSPECTIVE DOUBLE-BLINDED RANDOMIZED CONTROLLED TRIAL

2018 ◽  
Vol 11 (6) ◽  
pp. 133
Author(s):  
Ranjita Acharya ◽  
Shakti Bedanta Mishra ◽  
Arun Rath ◽  
Bhabani Sankara Pati ◽  
Kalyani Bala Nayak
Keyword(s):  
Blood Pressure ◽  
Heart Rate ◽  
Tracheal Intubation ◽  
Systolic Blood Pressure ◽  
Controlled Trial ◽  
Hemodynamic Response ◽  
Controlled Study ◽  
Onset Of Action ◽  
Group B ◽  
Time To Onset

Objective: Labetalol is a non-selective beta blocker which is used for the treatment of hypertension. Its role in controlling the hemodynamic response to tracheal intubation is established. This comparative controlled study was carried out to verify its effects on time to onset of action of rocuronium in comparison to esmolol.Methods: We randomized patients into two groups. Group A receiving injection labetalol 0.25 mg/kg diluted to 10 ml with 0.9% saline and Group B receiving 0.5 mg/kg of esmolol in 10 ml 0.9% saline before surgery. The time to onset of action of rocuronium, systolic blood pressure, and heart rate were recorded. The adverse reactions were observed in the post-operative period.Results: A total of 60 patients were randomized into two groups. At the time of intubation, the systolic blood pressure and heart rate were similar between the two groups. The onset of action of rocuronium was decreased significantly in the labetalol group.Conclusion: Labetalol attenuates the hemodynamic response to tracheal intubation both during intubation. It also slightly decreases the time to onset of action of rocuronium.

scholarly journals GABAPENTIN

2018 ◽  
Vol 25 (12) ◽  
pp. 1892-1898
Author(s):  
Brig (Retd) Muhammad Boota ◽  
Sohail Nasir ◽  
Imran Hyder
Keyword(s):  
Heart Rate ◽  
Nasotracheal Intubation ◽  
Hemodynamic Response ◽  
Controlled Clinical Trial ◽  
P Value ◽  
Base Line ◽  
Time Intervals ◽  
Treatment Groups ◽  
Group A ◽  
Group B

Introduction: There have been several methods used to prevent or attenuate the adverse hemodynamic changes following endotracheal intubation, but not many studies have been done for the same purpose in patients undergoing nasotracheal intubation. Deepening of anaesthesia, omitting cholinergic premedication, pre-treatment with vasodilators such as nitroglycerine, beta blockers, calcium channel blockers and opioids are few of the different techniques used when trachea is intubated orally or nasally, to blunt significant swings in hemodynamic parameters. We assessed the effectiveness of oral gabapentin to determine changes in hemodynamic response in normotensive patients following nasotracheal intubationwith or without laryngoscopy for elective maxillofacial surgeries. Study Design: Randomized double blind, placebo-controlled clinical trial. Setting: Department of Anesthesia & Intensive Care, Fauji Foundation Hospital Rawalpindi. Period: 18 months after approval from the ethical committee. Material & Methods: Total 130 patients were included in the study. These patients were randomly divided into 2 groups. In Group-A patients were given 800 mg gabapentin and in Group-B patients were given placebo. Heart rate and mean arterial pressures were recorded just before intubation as base line values, and then average readings were taken at 1 minute, 3 minutes, 5 minutes and 10 minutes after intubation. Bradycardia and hypotension were adequately treated with intravenous atropine and vasopressors. Data entry and analysis was done by using SPSS 17. Results: Total 130 patients who underwent elective surgeries were included in the study and divided into 2 groups each group containing 65 patients each. At 1st minute MAP in Group-A (oral gabapentin) and in Group-B (Placebo) was 86.89±4.36 and 98.70±4.39. At 3rd minute MAP in Group-A, in Group-B was 83.40±4.05 and 92.93±4.79. At 5th minute MAP was 82.50±5.00 and 88.03±4.22 and lastly at 10th minute MAP was 79.81±5.37 in Group-A and 83.18±4.77 in Group-B respectively. P-value at 1st, 3rd, 5th and at 10th minutes showed that statistically MAP was different in both treatment groups at the above mentioned time intervals. 1st minute: p-value=0.042, 3rd minute: p-value=0.000, 5th minute: p-value=0.000 and at 10th minute: p-value=0.000. At 1st minute heart rate in Group-A and Group-B was 87.89±1.39 and 93.47±6.88 respectively. At 3rd minute heart rate in Group-A and Group-B was 83.47±5.47 and 89.70±6.76. At 5th minute heart rate was 82.10±5.01 and 84.60±5.91 and lastly at 10th minute heart rate was 78.09±6.79 in Group-A and 77.27±5.34 in Group-B respectively. P -value at 1st, 3rd and 5th minutes showed that statistically heart rate was different in both treatment groups at the above mentioned time intervals. But at 10th minute heart rate was statistically same in both treatment groups. 1st minute: p-value=0.144, 3rd minute: p-value=0.000, 5th minute: p-value=0.011 and at 10th minute: p-value=0.448. Conclusion: According to the results of this study it was observed that oral gabapentin is effective in modifying hemodynamic response to nasotracheal intubation in normotensive patients undergoing elective maxillofacial surgeries. MAP (10th Minute: Group-A vs. Group-B: 0.000) & Heart Rate (10th Minute: Group-A vs. Group-B:0.448)

scholarly journals A prospective randomised study comparing intravenous magnesium sulphate and sublingual nitroglycerine spray in attenuating haemodynamic responses to laryngoscopy and intubation

2018 ◽  
Vol 5 (2) ◽  
pp. 90 ◽  
Author(s):  
Deepti M. Kotwani ◽  
Manish B. Kotwani ◽  
Amit Hiwarkar
Keyword(s):  
Blood Pressure ◽  
Heart Rate ◽  
Tracheal Intubation ◽  
Systolic Blood Pressure ◽  
Stress Responses ◽  
Magnesium Sulphate ◽  
Study Drug ◽  
Intravenous Magnesium ◽  
Group A ◽  
Group B

<p class="abstract"><strong>Background:</strong> Laryngoscopy and tracheal Intubation are invariably associated with certain stress responses due to the sympatho-adrenal stimulation. These cardiovascular and neurohumoral alterations may directly affect the physiology and increase the risk. So far, various drugs have been tried but none has been considered ideal for blunting this presser response. We therefore, planned this comparative study to evaluate and compare the efficacy of intravenous magnesium sulphate (30 mg/kg) versus sublingual nitroglycerine spray (0.4 mg/spray) in attenuating the presser response to Laryngoscopy and Tracheal Intubation.</p><p class="abstract"><strong>Methods:</strong> Fifty patients, aged 15–50 years, scheduled for elective surgery under general anaesthesia, were randomly assigned to one of the two groups of 25 each, Group A (magnesium group) and Group B<strong> </strong>(nitroglycerine group). Study drug was given 90-120 seconds before tracheal intubation. Heart rate, Systolic blood pressure and Rate pressure product were recorded at different intervals after administering the study drug till 3 minutes after intubation.</p><p class="abstract"><strong>Results:</strong> Mean heart rate was significantly higher from the baseline at all times after administering the study drug in both the groups. Increase in systolic blood pressure as a presser response was limited to 7.25% in Group A and 5.83% in Group B from the baseline after tracheal intubation. There was relative hypotension after administration of the study drug in both the groups.</p><p class="abstract"><strong>Conclusions: </strong>Intravenous magnesium or sublingual nitroglycerine pre-treatment is found to be effective in attenuating the presser response to laryngoscopy and intubation. These drugs may lead to rise in HR but it is transient and dose dependent. However, both the drugs can significantly control the hypertensive response after laryngoscopy and intubation.</p><p class="abstract"> </p>

Hemodynamic and Catecholamine Responses to Laryngoscopy and Tracheal Intubation in Patients with Complete Spinal Cord Injuries

2001 ◽  
Vol 95 (3) ◽  
pp. 647-651 ◽  
Author(s):  
Kyung Y. Yoo ◽  
JongUn Lee ◽  
Hak S. Kim ◽  
Woong M. Im
Keyword(s):  
Blood Pressure ◽  
Spinal Cord ◽  
Heart Rate ◽  
Tracheal Intubation ◽  
Endotracheal Intubation ◽  
Spinal Cord Injuries ◽  
Plasma Concentrations ◽  
Cardiovascular Responses ◽  
Plasma Catecholamine ◽  
Cord Injury

Background Endotracheal intubation in patients undergoing general anesthesia often causes hypertension and tachycardia, which may be altered when the efferent sympathetic fiber to the cardiovascular system is interrupted. The aim of the current study was to investigate the effects of different levels of spinal cord injury on the cardiovascular responses to intubation. Methods Fifty-four patients with traumatic complete cord injuries requiring tracheal intubation were grouped into quadriplegics (above C7; n = 22), high paraplegics (T1-T4, n = 8), and low paraplegics (below T5, n = 24) according to the level of injury. Twenty patients without spinal injury served as controls. Arterial pressure, heart rate, and rhythm were recorded at intervals for up to 5 min after intubation. Plasma concentrations of catecholamines were also measured. Results The intubation increased the systolic blood pressure similarly in control, high-paraplegic, and low-paraplegic groups (P &lt; 0.05), whereas it did not alter the blood pressure in the quadriplegic group. Heart rate was significantly increased in all groups; however, the magnitude was more pronounced in the high-paraplegic group (67%) than in the control (38%) and quadriplegic (33%) groups. Plasma concentrations of norepinephrine were significantly increased after intubation in all groups; however, values were lower in the quadriplegic group and higher in the low-paraplegic group compared with those in the control group. Incidence of arrhythmias did not differ among groups. Conclusions The cardiovascular and plasma catecholamine changes associated with endotracheal intubation may differ according to the affected level in patients with complete spinal cord injuries.

scholarly journals ATTENUATION OF HEMODYNAMIC RESPONSE TO LARYNGOSCOPY AND ENDOTRACHEAL INTUBATION WITH INTRAVENOUS DEXMEDETOMIDINE IN PAEDIATRIC AGE GROUP

2020 ◽  
pp. 8-9
Author(s):  
N. Rajanalini ◽  
Selvin Durai. R
Keyword(s):  
Endotracheal Intubation ◽  
Optimal Dose ◽  
Hemodynamic Response ◽  
Age Group ◽  
Significant Difference ◽  
Paediatric Age ◽  
Group A ◽  
Clinically Significant ◽  
Group B ◽  
Different Doses

Laryngoscopic manipulation and endotracheal intubation are noxious stimulus capable of producing tachycardia, arrhythmia, bronchospasm, larygospasm and hypertension.Dexmedetomidine is an Alpha 2 agonist with documented stress attenuation property. Dexmedetomidine has been seldom studied in Paediatric age This study was conducted in a view to find out the optimal dose of Dexmedetomidine for stress attenuation. To attenuate the hemodynamic response to laryngoscopy and endotracheal intubation with 3 different doses of intravenous Dexmedetomidine in Paediatric age group and to find out the optimal dose required for it. Paediatric patientswith sample size 90 undergoing Enucleation & Curettage for Adenotonsillitis, were enrolled for the study. Patients were divided into 3 groups (30 each) receiving: Group A 0.5mcg/kg of Dexmedetomidine. Group B 0.75mcg/kg of Dexmedetomidine. Group C 1mcg/kg of Dexmedetomidine. It was given as 20ml infusion over 10mins.The hemodynamic response was better obtunded in Group B and Group C, when compared with Group A.There was no clinically significant difference between Group B and Group C in any of the parameters at any point of time. So the dose of 0.75mcg/kg of dexmedetomidine is adequate to produce desired stress attenuation with minimal side effects compared to 1mcg/kg. Dexmedetomidine in a dose of 0.75mcg/kg is the optimal dose to attenuate stress response to larygngoscopy and endotracheal intubation with minimal adverse effects.

scholarly journals Comparative study between sprayed and inhaled nebulized lidocaine for suppression of hemodynamic response to laryngoscopy and oral endotracheal intubation

2021 ◽  
Vol 23 (09) ◽  
pp. 772-787
Author(s):  
Ahmed Abdulmaged Ahmed ◽  
◽  
Dr. Hasan Sarhan Haider ◽  
Keyword(s):  
Heart Rate ◽  
Tracheal Intubation ◽  
General Anesthesia ◽  
Endotracheal Intubation ◽  
Outcome Measures ◽  
Cardiovascular Response ◽  
Hemodynamic Response ◽  
Secondary Outcome ◽  
Patient Acceptance ◽  
Significant Difference

Background: Direct laryngoscopic manipulation and endotracheal intubation are noxious stimuli capable of producing hemodynamic changes characterized by tachycardia, hypertension, and arrhythmias. Which are tolerated in normotensive healthy individuals but had greater impact in patients with cardiovascular and cerebrovascular diseases lead to increased morbidity and mortality. Aim of the study: To compare the efficacy of sprayed and inhaled nebulized lidocaine in suppressing the cardiovascular response to laryngoscopy and tracheal intubation in normotensive patients undergoing general anesthesia. Patient and method: 80 adult patients undergoing elective surgery under general anesthesia with endotracheal intubation were randomly allocated into two equal groups. Patients in nebulized lidocaine (NL) group received pre-induction nebulized (1ml of 10%) lidocaine, while those in sprayed lidocaine (SL) group received pre-induction sprayed (10 puffs of 10%) lidocaine. The general anesthesia technique was standardized for the two groups. The primary outcome measures were hemodynamic response at 1, 3, 6, 9, and 12 min after intubation. The secondary outcome measures were to note down any adverse effects associated with drugs. The statistical package used was SPSS version 25.Results: There was a statistically significant difference (P < 0.05) between nebulizes and sprayed lidocaine in heart rate, systolic, diastolic and mean arterial pressures at different time points after tracheal intubation with nebulized lidocaine being most effective and better toleration. Conclusion: The hemodynamic instability was lesser with nebulized lidocaine as compared to sprayed lidocaine. The effect was on heart rate and blood pressure. Use of nebulized lidocaine is simple, safe, effective and better patient acceptance.

scholarly journals Comparison of acetaminophen and nalbuphine in attenuating hemodynamic response to tracheal intubation.

2020 ◽  
Vol 27 (02) ◽  
pp. 341-347
Author(s):  
Manzoor Ahmad Faridi ◽  
Sohail Nasir ◽  
Imran Haider ◽  
Inamullah Shah
Keyword(s):  
Blood Pressure ◽  
Heart Rate ◽  
Body Weight ◽  
Tracheal Intubation ◽  
Endotracheal Intubation ◽  
Pressor Response ◽  
Hemodynamic Response ◽  
Significant Rise ◽  
Ethical Review ◽  
Double Blind

Laryngoscopy and tracheal intubation causes sympathetic over activity in the form of increased heart rate and blood pressure, which may lead to deleterious effects. Opioid drugs like fentanyl and nalbuphine are routinely used to attenuate this response during intubation. A few studies have claimed that acetaminophen is efficacious for this purpose too. Various studies have explored its role in blunting of pressor response but none have compared it with nalbuphine. We compared these drugs with the purpose, if both drugs are equally effective; acetaminophen would be a better alternative to nalbuphine without adverse effects of an opioid. Objectives: The objective of this study was to compare the efficacy of acetaminophen and nalbuphine in attenuating hemodynamic response during tracheal intubation. Study Design: Randomized, double-blind clinical trial. Setting: Main operation theatre complex of Fauji Foundation Hospital Rawalpindi. Period: From August to December 2018. Material & Methods: After obtaining permission from institutional ethical review committee of Fauji Foundation Hospital Rawalpindi. 60 Patients of ASA physical status I and II, aged 30 to 55 years, undergoing abdominal surgical procedure of 1 to 3 hour duration were randomly divided into two groups. Patients in group N received nalbuphine hydrochloride 0.15 mg/kg body weight intravenously, 30 minutes before induction. Patients in group P received acetaminophen infusion (paracetamol) 15mg/kg body weight intravenously, 30 minutes before induction. Systolic and diastolic blood pressures were measured manually and heart rate by pulse oximeter. Observations were made before giving analgesics, during induction, 1 minute after intubation, then at every 1- minute intervals till first 5 minutes, and thereafter at 10 minutes and at 15 minutes after intubation. The descriptive statistics of data were expressed as mean and standard deviation. Independent samples t-test was used for comparison of mean values of the variables in both groups. The value of p< 0.05 was considered as statistically significant. Results: There was a significant rise in heart rate and blood pressure after laryngoscopy and endotracheal intubation with acetaminophen (P group) as compared to the N group in which nalbuphine effectively reduced the tachycardia and hypertension. Conclusion: Acetaminophen has no significant effect on the prevention of hemodynamic changes due to intubation. Nalbuphine effectively reduces tachycardia and hypertension associated with laryngoscopy and endotracheal intubation.

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